MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector. The document body, though heavily obfuscated, also contains the URL 'https://ttraff.cc/pify?keyword=1981+chevy+c10', which is flagged as a malicious redirector. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=1981+chevy+c10 In PDF document text
- http://files.shamblinstone.com/uploads/1/3/1/3/131381976/50002.pdfIn PDF document text
- http://files.mykitchenkitchen.com/uploads/1/3/0/8/130874305/1110248.pdfIn PDF document text
- http://files.rydalmerefc.com/uploads/1/3/0/8/130874354/3048950.pdfIn PDF document text
- http://files.afpneia.org/uploads/1/3/1/8/131857049/dajofonu_diworamuvi_pefijejujora_gadebofobakegok.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0108/5082/files/52041195213.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9712/1178/files/rifapubarelajavarasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5054/0964/files/lanisuxoruzen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/rifimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7963/1012/files/59716558595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9770/1032/files/80679809457.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0840/0280/files/mugebaronidaduliweromiso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/zawumidojipirokabolara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5394/0887/files/fusekafoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/65804160866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/18559379017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4293/8784/files/tigovoxilejagesutojixa.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015752.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15752 | 4980 bytes |
SHA-256: 7912978d6fdfc2a2059ad25b4bd23a99fb51d395397ec43e5d0c74c49b6604c0 |
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font_01_sfnt_off0001685c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1685C | 16484 bytes |
SHA-256: 97e2ad19d592ff7cfe7612873a20008c83a83153f22664db00448194fed959ca |
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font_02_sfnt_off00019b21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B21 | 16060 bytes |
SHA-256: 84d5bd19c210eb3b73ecc14096ab1e56fdfb5b80ce7ba4f0052c67c0c2b02727 |
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